Among her graduating classmates were Margus Oopkaup, Jaan Rekkor, Anu Lamp, Sulev Teppart, Andrus Vaarik, and Viire Valdma.

Other notable roles at the Endla have been in works by: August Strindberg, Selma Lagerlöf, Oskar Luts, Alexandre Dumas, Jean-Paul Sartre and Brian Friel.

Prominent roles as an actress at the Estonian Drama Theatre have been in works by: William Shakespeare, A. H. Tammsaare, Enn Vetemaa, Madis Kõiv, Oskar Luts, Peter Shaffer, Juan Rulfo and Jane Bowles.

[10] Laine Mägi made her television film debut as Miili in the 1987 Peeter Simm directed historical drama Tants aurukatla ümber, based on the 1971 novel of the same name by Estonian author Mats Traat.

[11] Some of Mägi's more prominent film roles were in Ilmar Raag's 2007 film Klass as Laine, the teacher, which explores school bullying and violence; and a starring role as Anne in Ilmar Raag's 2012 drama Eestlanna Pariisis (French: Une Estonienne à Paris), which paired Mägi opposite French actress Jeanne Moreau.

Mägi's performance in Une Estonienne à Paris garnered her a Best Actress award at the 2012 Le Festival International des Jeunes Réalisateurs de Saint-Jean-de-Luz.